* localworkers - Used in Distributed AD to specify the number of
workers to be run on the current machine.
Default - Value specified for workers.
* printdebug - To display extra debugging information.
Default - No.
* parallel_index_threshold - Threshold block count in each table, which when
exceeded for a table causes its indexes to be
created using parallel slaves.
Default - none. Adpatch does not create indexes
in parallel.

* order = To organize list of jobs to run in a phase. Default - forward.
* forward - The order in which jobs are listed in the
patch driver file.
* backward - Opposite to how the jobs are listed in the
patch driver file.